From mboxrd@z Thu Jan 1 00:00:00 1970 From: drivshin@awxrd.com (David Rivshin) Date: Mon, 30 Jul 2018 18:30:30 -0400 Subject: [PATCH v3] pwm: pwm-omap-dmtimer: return -EPROBE_DEFER if no dmtimer platform data Message-ID: <20180730223030.10628-1-drivshin@awxrd.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org From: David Rivshin If a pwm-omap-dmtimer is probed before the dmtimer it uses, the platform data won't be set yet. Fixes: ac30751df953 ("ARM: OMAP: pdata-quirks: Remove unused timer pdata") Cc: # 4.17+ Signed-off-by: David Rivshin Acked-by: Pavel Machek Tested-by: Pavel Machek --- Changes in v3: * Changed dev_info to dev_dbg Changes in v2: * Added Pavel's Acked-by/Tested-by [1] [1] https://lkml.org/lkml/2018/7/16/346 drivers/pwm/pwm-omap-dmtimer.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/pwm/pwm-omap-dmtimer.c b/drivers/pwm/pwm-omap-dmtimer.c index 665da3c8fbceb..f45798679e3c0 100644 --- a/drivers/pwm/pwm-omap-dmtimer.c +++ b/drivers/pwm/pwm-omap-dmtimer.c @@ -264,8 +264,9 @@ static int pwm_omap_dmtimer_probe(struct platform_device *pdev) timer_pdata = dev_get_platdata(&timer_pdev->dev); if (!timer_pdata) { - dev_err(&pdev->dev, "dmtimer pdata structure NULL\n"); - ret = -EINVAL; + dev_dbg(&pdev->dev, + "dmtimer pdata structure NULL, deferring probe\n"); + ret = -EPROBE_DEFER; goto put; } base-commit: acb1872577b346bd15ab3a3f8dff780d6cca4b70 -- 2.17.1